Umapathy, N. (1976). The Board of Revenue in Andhra Pradesh. copies can be had from Umapathy.
Chicago-viite (17. p.)Umapathy, N. The Board of Revenue in Andhra Pradesh. Secunderabad: copies can be had from Umapathy, 1976.
MLA-viite (8. p.)Umapathy, N. The Board of Revenue in Andhra Pradesh. copies can be had from Umapathy, 1976.
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